Oil gauge stick



July 20, 1937. R. WILES 2,087,714 I 01L GAUGE STICK Filed Nov. 11, 1936 flew?" fiwsselZ zzkzes- Patented July 20, 1931 2,087,714

- UNITED STATES OFFICE OIL GAUGE STICK Russell Wiles, Chicago, Ill., assignor to De Luxe Products Corporation, a corporation of Indiana Application November 11, 1936, Serial No. 110,369

3 Claims. (01. 73120) This invention relates to an oil gauge stick, preferably throughout the oil immersible portion and particularly to an oil gauge stick for use in thereof: For example, up to the point 6. the lubrication system of an internal combustion The mirror finish may be provided by chroengine which is provided with a modern oil filter. mium plating or by burnishing a stainless steel 5 It has heretofore been the practice to test the or other metallic stick, or by any other means 5 oil, either by means of a blotter or visually, to. which will produce a permanent mirror finish. determine when blackening occurs. A much The foregoing detailed description has been more accurate test may be made, however, by given. for clearness of understanding only, and placing a drop of oil upon a mirrored surface. no unnecessary limitations should be understood 0 A drop of clean oil placed upon a mirrored surtherefrom, but the appended claims should be 10 face does not cloud the mirror, but the least trace construed as broadly as permissible, in View of of asphaltic material in the oil produces a most the prior art. remarkable and noticeable effect uponthe mir- I claim: rored surface. 1. An oil gauge stick for use in the lubrication In accordance with this invention, the oil gauge system of an internal combustion engine, com- 15 stick commonly used in internal combustion enprising a gauge stick having a mirror-finished oil gines, such as automobiles, is provided with a immersible portion thereon.

mirror finish upon the oil immersible end. As 2. A gauge as set forth in claim 1, in which the illustrated in the drawing, the oil gauge stick I stick is of stainless: steel. 20 comprising a handle 5, an oil immersible end 2 3. A stick as set forth in claim 1, in which the 20 provided with gauge notations 3 and a stop 4, is oil immersible portion is chromium plated. made mirror finished at the oil immersible end, RUSSELL WILES'. 

